'67 model year came with mono springs. '68 had multi-leaf, depending on model. If yours has two leaf, I would say they were swapped or replaced sometime in the past with a non stock spring. Different types of springs will fit, just a matter whether you want stock specs, or a higher/lower spring rate. Most parts catalogs show correct springs by year + model. Eaton Spring has correct tables on their website. (or at least they did when I bought mine 10+ years ago)
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold
